Add error types to declaration file

.semaphore/semaphore.yml

@@ -107,9 +107,9 @@ blocks:
             - docker compose up -d && sleep 30
             - export NODE_OPTIONS='--max-old-space-size=1536'
             - npx jest --no-colors --ci test/promisified/
-        - name: "ESLint"
+        - name: "Lint"
           commands:
-            - npx eslint lib/kafkajs
+            - make lint
         - name: "Docs"
           commands:
             - make docs

CHANGELOG.md

@@ -7,6 +7,7 @@ v1.0.0 is a feature release. It is supported for all usage.
 1. Add support for an Admin API to fetch topic offsets (#156).
 2. Add support for Node v23 pre-built binaries (#158).
 3. Add KafkaJS-compatible errors to promisified Admin API (createTopics, deleteGroups, deleteTopicRecords) (#159).
+4. Include error types within Type definitions for promisified API (#210).
 
 ## Fixes
 

Makefile

@@ -38,7 +38,7 @@ cpplint:
 	@$(PYTHON) $(CPPLINT) --filter=$(CPPLINT_FILTER) $(CPPLINT_FILES)
 
 eslint: node_modules/.dirstamp
-	@./node_modules/.bin/eslint .
+	@./node_modules/.bin/eslint lib
 
 lib: node_modules/.dirstamp $(CONFIG_OUTPUTS)
 	@PYTHONHTTPSVERIFY=0 $(NODE-GYP) build $(GYPBUILDARGS)

lib/kafkajs/_error.js

@@ -181,13 +181,12 @@ class KafkaJSTimeout extends KafkaJSError {
         this.name = 'KafkaJSTimeout';
     }
 }
-class KafkaJSLockTimeout extends KafkaJSTimeout {
-    constructor() {
-        super(...arguments);
-        this.name = 'KafkaJSLockTimeout';
-    }
-}
 
+/**
+ * KafkaJSCreateTopicError represents an error raised by the createTopics method for one topic.
+ * @extends KafkaJS.KafkaJSError
+ * @memberof KafkaJS
+ */
 class KafkaJSCreateTopicError extends KafkaJSProtocolError {
     constructor(e, topicName, properties) {
       super(e, properties);
@@ -196,6 +195,11 @@ class KafkaJSCreateTopicError extends KafkaJSProtocolError {
     }
 }
 
+/**
+ * KafkaJSDeleteGroupsError represents an error raised by the deleteGroups method.
+ * @extends KafkaJS.KafkaJSError
+ * @memberof KafkaJS
+ */
 class KafkaJSDeleteGroupsError extends KafkaJSError {
     constructor(e, groups) {
       super(e);
@@ -204,6 +208,11 @@ class KafkaJSDeleteGroupsError extends KafkaJSError {
     }
 }
 
+/**
+ * KafkaJSDeleteTopicRecordsError represents an error raised by the deleteTopicRecords method.
+ * @extends KafkaJS.KafkaJSError
+ * @memberof KafkaJS
+ */
 class KafkaJSDeleteTopicRecordsError extends KafkaJSError {
     constructor({ partitions }) {
       /*
@@ -278,7 +287,6 @@ module.exports = {
     KafkaJSGroupCoordinatorNotFound,
     KafkaJSNotImplemented,
     KafkaJSTimeout,
-    KafkaJSLockTimeout,
     KafkaJSCreateTopicError,
     KafkaJSDeleteGroupsError,
     KafkaJSDeleteTopicRecordsError,

src/admin.cc

@@ -998,8 +998,8 @@ NAN_METHOD(AdminClient::NodeConnect) {
   // on the background thread.
   // We will deactivate them if the connection fails.
   // Because the Admin Client connect is synchronous, we can do this within
-  // AdminClient::Connect as well, but we do it here to keep the code similiar to
-  // the Producer and Consumer.
+  // AdminClient::Connect as well, but we do it here to keep the code similiar
+  // to the Producer and Consumer.
   client->ActivateDispatchers();
 
   Baton b = client->Connect();

types/kafkajs.d.ts

@@ -12,6 +12,10 @@ import {
   IsolationLevel
 } from './rdkafka'
 
+import {
+  CODES
+} from './errors';
+
 // Admin API related interfaces, types etc; and Error types are common, so
 // just re-export them from here too.
 export {
@@ -24,7 +28,7 @@ export {
   Node,
   AclOperationTypes,
   Uuid,
-  IsolationLevel
+  IsolationLevel,
 } from './rdkafka'
 
 export interface OauthbearerProviderResponse {
@@ -427,3 +431,101 @@ export type Admin = {
       isolationLevel: IsolationLevel
     }): Promise<Array<SeekEntry & { high: string; low: string }>>
 }
+
+
+export function isKafkaJSError(error: Error): boolean;
+
+export const ErrorCodes: typeof CODES.ERRORS;
+
+export class KafkaJSError extends Error {
+  readonly message: Error['message']
+  readonly name: string
+  readonly retriable: boolean
+  readonly fatal: boolean
+  readonly abortable: boolean
+  readonly code: number
+  constructor(e: Error | string, metadata?: KafkaJSErrorMetadata)
+}
+
+export class KafkaJSProtocolError extends KafkaJSError {
+  constructor(e: Error | string)
+}
+
+export class KafkaJSCreateTopicError extends KafkaJSError {
+  readonly topic: string
+  constructor(e: Error | string, topicName: string, metadata?: KafkaJSErrorMetadata)
+}
+
+export class KafkaJSDeleteGroupsError extends KafkaJSError {
+  readonly groups: DeleteGroupsResult[]
+  constructor(e: Error | string, groups?: KafkaJSDeleteGroupsErrorGroups[])
+}
+
+export class KafkaJSDeleteTopicRecordsError extends KafkaJSError {
+  readonly partitions: KafkaJSDeleteTopicRecordsErrorPartition[]
+  constructor(metadata: KafkaJSDeleteTopicRecordsErrorTopic)
+}
+
+export interface KafkaJSDeleteGroupsErrorGroups {
+  groupId: string
+  errorCode: number
+  error: KafkaJSError
+}
+
+export interface KafkaJSDeleteTopicRecordsErrorTopic {
+  topic: string
+  partitions: KafkaJSDeleteTopicRecordsErrorPartition[]
+}
+
+export interface KafkaJSDeleteTopicRecordsErrorPartition {
+  partition: number
+  offset: string
+  error: KafkaJSError
+}
+
+export class KafkaJSAggregateError extends Error {
+  readonly errors: (Error | string)[]
+  constructor(message: Error | string, errors: (Error | string)[])
+}
+
+export class KafkaJSOffsetOutOfRange extends KafkaJSProtocolError {
+  readonly topic: string
+  readonly partition: number
+  constructor(e: Error | string, metadata?: KafkaJSErrorMetadata)
+}
+
+export class KafkaJSConnectionError extends KafkaJSError {
+  constructor(e: Error | string, metadata?: KafkaJSErrorMetadata)
+}
+
+export class KafkaJSRequestTimeoutError extends KafkaJSError {
+  constructor(e: Error | string, metadata?: KafkaJSErrorMetadata)
+}
+
+export class KafkaJSPartialMessageError extends KafkaJSError {
+  constructor()
+}
+
+export class KafkaJSSASLAuthenticationError extends KafkaJSError {
+  constructor()
+}
+
+export class KafkaJSGroupCoordinatorNotFound extends KafkaJSError {
+  constructor()
+}
+
+export class KafkaJSNotImplemented extends KafkaJSError {
+  constructor()
+}
+
+export class KafkaJSTimeout extends KafkaJSError {
+  constructor()
+}
+
+export interface KafkaJSErrorMetadata {
+  retriable?: boolean
+  fatal?: boolean
+  abortable?: boolean
+  stack?: string
+  code?: number
+}